Bye bye protocol stacks - PDF Free Download

Embedded Networking Solutions Bye bye protocol stacks Outsourcing Embedded Industrial Networking Kurt van Buul Twincomm

About Twincomm Embedded Networking Solutions Our products and services enable embedded communication in machines, to systems and between components Veldhoven

Fieldbus & Industrial Ethernet

Fieldbus & Industrial Ethernet Industrial network shares 2018 Industrial Ethernet 52% Fieldbus 42% Wireless 6% Source: HMS

Fieldbus & Industrial Ethernet Geography

Fieldbus & Industrial Ethernet Hardware Understanding physical communication Software Understanding the protocol Every protocol has different physics Protection at the right level Development time and effort Certification Protocol Stack + Server, E-mail, FTP, Develop, Buy or Open Source Licences Certification

Industrial Ethernet - IE handling Standard TCP/IP Architecture 1 Protocol Stack Real-time Exchange TCP UDP IP COTS Ethernet MAC HW assist - Topology Software by-passing TCP IP Architecture 2 Protocol Stack UDP Scheduling Real-time Exchange COTS Ethernet MAC HW assist Response Hardware assisted TCP Architecture 3 IP Protocol Stack UDP Real-time Real-time Ethernet MAC and/or Gbps Ethernet Standard Ethernet TCP/IP TCP/IP Modbus TCP EtherNet/IP Etc. SW by-passing or traffic scheduling PowerLink PROFINET IO (RT) Etc. Hardware Assisted Real-time PROFINET IO (IRT, DFP) EtherCAT SERCOS III CC-Link IE (Gbps) etc.

Industrial Ethernet - IE handling Multiple-protocol - Software stacks Software is not standardized Different vendors Different structures Different interfaces Different drivers Different releases Special attention Non-TCP/IP protocols Real-time priority Software interference

Industrial Ethernet - IE handling Principle system solution Type Example Network ASIC Beckhoff ET1100 Fixed 1 Protocol Stack Real-time Protocol MCU TI Sitara AM3357 Fixed 5 TCP UDP IP MCU with FPGA Xylinx Zinq Flex ±10 Real-time Ethernet MAC and/or Gbps Ethernet Protocol Stack Brick HMS ABCC B40 Flex ±20 TCP UDP Real-time Module HMS ABCC M40 Flex ±20 IP Real-time Ethernet MAC and/or Gbps Ethernet

Industrial Ethernet - IE handling Principle system solution Type Example Network Stacks Certified Business Initial Cost pu ASIC Beckhoff ET1100 Fixed 1 No No Protocol MCU TI Sitara AM3357 Fixed 5 No No MCU with FPGA Xylinx Zinq Flex ±10 No No Brick HMS ABCC B40 Flex ±20 Build-in Pre Module HMS ABCC M40 Flex ±20 Build-in Pre

Industrial Ethernet Outsourcing Embedded Industrial Networking Implementation as a service Common hard- & software Complete design-in Full support Short lead-time Reliability of third-party Pre-certified and certification guarantee Latest protocol variants and updates Long-term partnership Future-proof in development and existence

Under the hood Block diagram General hardware and application-interfacing Parallel Common application Interface UART - SPI - I/O Config Events Network Physical Layer Network specific 3.3V DC DC Interfacing Parallel (8-/16-bit) SPI (20 Mhz) Asynchrone UART (625 kb/s) Stand-alone I/O (12,5 MHz)

Under the hood Network processor Programmable hard- & software Protocol/IP MAC & API (VHDL code) Protocol/IP Software (C code) All-in-one Stack API RTOS and drivers

Network Common software General network communication Acyclic data handling Read or Write Request/Response Identification Configuration Data exchange Real-time Process Data Continuous updating Alarm Warnings & errors Diagnostics Status Heart beat Cyclic Data Cyclic Data Acyclic Request Acyclic Response Alarm Diagnostics Communication Module 0101101101010110011001101 00101011010101100110101000 101101101010110011001101 Data from Network 01011011010101100110011010 011100101011010110101010 0101101101010110011001101 001010110101011001101010001 01101101010110011001101 Data to Network 010110110101011001100110100 11100101011010110101010 Acyclic Handling Diagnostic Handling

Network Common software Software interfacing process Data objects Parameter definitions Network variables I/O-mapping Configuration Object requests (R/W) Passed to application Processed Response replied Process data Buffered in module Continuous updating Cyclic Data Cyclic Data Acyclic Request Communication Module 0101101101010110011001101 00101011010101100110101000 101101101010110011001101 Data Buffer (Read) 01011011010101100110011010 011100101011010110101010 0101101101010110011001101 001010110101011001101010001 01101101010110011001101 Data Buffer (Write) 010110110101011001100110100 11100101011010110101010 Translation Acyclic Response Translation Object Response Diagnostic Handling Dedicated Channel Object Request Host Application Process Data Handling Application Data Object ADI 1 ADI 2 ADI 3 Application Parameter Network Variable Application Parameter I/O Mapping Application Parameter Heart Beat

Common Software Software Interface OS-Independent C-Driver Application Data Object Name, Data type, Total elements Value: Actual, Max, Min & Default Network Specific Object Only when applicable Vendor ID, Product ID Specific Configuration Data IT - Industry 4.0 - IIoT E-mail client, Web-server, FTP File-system & Firmware download TCP/IP socket, MQTT & OPC UA Network Configuration Object Diagnostic Object Communication Module Host Application Application Data Object Network Specific Object Anybus Object Router API-Interface Driver Router Ethernet Objects Network Object Network specific objects All Other Objects

Common Software Example - ADI Definition Tower Light with 5 colors ADI #100 Name: TowerLights Array of 5 Boolean Read Slot Subslot Index Slot Index Two Push buttons Class Instance Attribute Coils Inputs Registers ADI #200 Name: PushButtons Array of 2 Boolean Write Temperature Gaugel ADI #201 Name: Temperature Signed Integer Write PDO SDO (sub-)index

Software Example ADI Definition - Host-side (asynchrone data) /*----------------------------------------------------------------------------------------------------------------------------------------------- ** 1. Instance 2. Name 3. DataType 4. NumOfElements 5. Bits 6. ValuePtr 7. ValuePropPtr 8. StructPtr 9. GetADIPtr 10. SetADIPtr **----------------------------------------------------------------------------------------------------------------------------------------------- */ const AD_AdiEntryType APPL_asAdiEntryList[] = { { 100, "TowerLights", ABP_BOOL, 5, READ+MAP, { { &ftowerlights, NULL } } NULL, NULL, &fctsetlight, }, { 200, "PushButtons", ABP_BOOL, 2, WRITE+MAP, { { &fpushbuttons, NULL } } NULL, NULL, NULL, }, { 201, "Temperature", ABP_SINT16, 1, WRITE+MAP, { { &itemperature, NULL } } NULL, NULL, NULL } }; # Member Description 1 Instance ADI Instance number (1-65536) 2 Name ADI Name in ASCII 3 DataType ADI Data Type (Bool, Byte, Word, Quad, Char, (sign/unsigned wgen relevant) 4 NumOfElements Number of elements in an array 5 Bits Entry desription; Read, Write, Mappable (may be ored) 6 ValuePtr Pointer to local value variable 7 ValuePropPtr Pointer to local value properties (Max, Min & Default) 8 StructPtr Pointer to structure in case of self-defined Data Type 9 GetADIPtr Pointer to a service routine called when getting the ADI 10 SetADIPtr Pointer to a service routine called when setting the ADI

Software Example ADI Definition - Network-side (real-time cyclic data) /*------------------------------------------------------------------------------ ** 1. Instance 2. Direction 3. NumofElements 4. Start index **------------------------------------------------------------------------------ */ const AD_DefaultMapType APPL_asAdObjDefaultMap[] = { { 100, PD_READ, AD_DEFAULT_MAP_ALL_ELEM, 0 }, { 200, PD_WRITE, AD_DEFAULT_MAP_ALL_ELEM, 0 }, { AD_DEFAULT_MAP_END_ENTRY } }; # Member Description 1 Instance ADI Instance number (1-65536) 2 Direction Directory of map 3 NumOfElements Number of elements to map, AD_DEFAULT_MAP_ALL_ELEM = all available elements 4 Start Index Element start index within an array or structure, when #3 is not default

Embedded Industrial Networking Outsourcing Projectwise Complete and reliable solution Common hard- & software design Do support all major protocol functionalities Fully compatible with all PLC s and master controllers Multi network-protocol support within one development Project Focus on information exchange instead of data communication Reduce development time up to 70% when carefully planned Planning all desired protocols ahead Fast design-in but total lead-time depending on certification

Embedded Industrial Networking Outsourcing Businesswise Business case Mix of protocols, fieldbusses and IE Depending on total-cost-of-development Internal-costs (or cost places) versus external cost Business policies Optimal volumes Based on general experience Modules: Appr, volume 50-1500 units annually Bricks: Appr. volume 100-2000 units annually

Anybus CompactCom Over 20 Fieldbus & Industrial Ethernet protocols covered Open-frame modules PC Interface Brick

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